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In the 4 digits 1,2,3,4 how many 4 digested numbers are possible which are divisible by 4? Repetitions are allowed
Read Solution (Total 4)
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- To be divisible by 4 the number has to be even.
When number ends in 2, options are xx12, xx32, with x representing any number.
When number ends in 4, options are xx24, xx44.
Each of these 4 options produce 16 possible numbers. Total = 16+16+16+16=64 - 15 years agoHelpfull: Yes(6) No(2)
- only 32 , 24 ,44
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4 * 4 * 3 = 48 - 10 years agoHelpfull: Yes(1) No(2)
- 12 , 24 ,44, 32
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4*4 *4 =64 - 10 years agoHelpfull: Yes(1) No(0)
- can u explain how we would get 16 possibilities ?
- 10 years agoHelpfull: Yes(0) No(0)
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